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"Once again, the sense of harmonic structure,
huge soundstage and overall coherence hold a
lot of sway and will win over many people. And
once again, the way the bottom end charms and
seduces you with live, unamplified music is
hugely persuasive. But there is a slight euphony
here, the bottom end is almost too lush – it’s the
sort of amplifier that makes the piano on ‘Willow
Weep for Me’ by Sarah Vaughan at Mister Kelly’s

sound a fraction slow next to her voice and yet paradoxically speeds up the somewhat ponderous rhythm section on ‘The
Quality of Mercy’ by Michelle Shocked on the Dead Man Walking OST. This is ultimately an image solidity issue, and is the
place where this valve amp sounds most ‘valvey’; musicians don’t sound as rooted in space as they can when played with
the sort of control of a top-notch solid-state design. But you need a good reference point to notice this kind of euphony.
Having lived with a Devialet D-Premier for a while now, I don’t think I would count myself among those craving that euphony
anymore, but even being used to the bloodiest of bleeding edge sounds now, I have to admit this one sings a siren’s song.

That’s the magic of the Mastersound Evolution 845. Turn it on, wait half an hour and the sound is so seductive it’s hard to
resist its charms"

6MOONS Review: Ralph Werner

Conclusion: In certain ways the MasterSound Evolution 845 reminded me of luxury limousines of days gone by – shark finned profiles, white-rimmed spoked tyres and wheel bases six meters long. Even fuel consumption fits this image. If this ain’t no bona fide single-ended valve amp, I plain don’t know what is. Sonically too it’s more about an idealized world than strictly measured neutrality. The MasterSound goes about things with Schmackes, harmonic riches and plenty of satisfaction.

Relative to the chosen architecture (single-ended triodes) things are rather more developed than expected however.

Overall the lower frequencies are juicy and opulent. A minor upper-bass emphasis is evident and textures aren’t very dry. Even so this range remains differentiated and intelligible.

The very low bass too is well padded which in conjunction with a more defensive presence region makes for very fulsome mids. The focus is more on harmonic softness than wiry energy. Voices occasionally approach sinful marvelosity.

The treble is energetic, free of hardness and well resolved. Cymbals in particular sound very compelling. The uppermost range is slightly attenuated however.

Dynamically there are no nits safe for torturing the amp with brutal LF attacks at high SPL.

The virtual stage has a strong forward projection to the listener and is distinctly not distanced.

The Evolution 845 renders sounds very materially incarnate and opulently dimensioned. Fascinating is the ability to render the virtual performers as breathing entities which depending on level and intonation expand and contract for high dynamic variety.

SPECIFICATIONS

Parallel Single Ended Dual Mono

Class: PURE CLASS "A"

Power: 2 x 55 Watt

Finals tubes : 4 x 845

Pre-drivers tubes : 2 x ECC802

Drivers tubes : 2 x 6SN7

Input impedance: 50K OHM

Inputs: 3 x Line + 1 Direct

Out put transformer : MASTERSOUND

Load impedance: 4 – 8 Ohm

Negative feedback : 0 DB

Volume with remote control

Bandwidth : 8 Hz / 40 kHz – 0dB

Dimensions: 54 x 47 x 27 cm. (21,2 x 19,7 x 11,1 in)

Weight : 53 Kg. ( 116,8 lbs )

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Our 90 Day Price Protection Guarantee assures our clients of our continued commitment to full satisfaction and delight. Should you find any Hi Fi product we offer from an Authorized Dealer in the USA for a lower price than the price you paid to us, we will gladly refund to you the difference plus 10% of that difference.